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| author | Tomasz Figa <t.figa@samsung.com> | 2012-10-11 10:11:19 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2012-10-15 09:10:12 +0200 |
| commit | 22b9ba033bb4401e4cceb69c9e1af74a4631dd74 (patch) | |
| tree | 4ba330cfa27136af9aacd0fb7e72e6b4c0871360 /drivers/pinctrl/pinctrl-exynos.c | |
| parent | a04b07c0fc4d63e3fb9fea84d48a177ac5bd9164 (diff) | |
| download | op-kernel-dev-22b9ba033bb4401e4cceb69c9e1af74a4631dd74.zip op-kernel-dev-22b9ba033bb4401e4cceb69c9e1af74a4631dd74.tar.gz | |
pinctrl: exynos: Set pin function to EINT in irq_set_type of wake-up EINT
Pins used as wake-up interrupts need to be configured as EINTs. This
patch adds the required configuration code to exynos_wkup_irq_set_type,
to set the pin as EINT when its interrupt trigger type is configured.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Reviewed-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/pinctrl-exynos.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-exynos.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/pinctrl/pinctrl-exynos.c b/drivers/pinctrl/pinctrl-exynos.c index 4bf2fc4..73a0aa2 100644 --- a/drivers/pinctrl/pinctrl-exynos.c +++ b/drivers/pinctrl/pinctrl-exynos.c @@ -257,6 +257,7 @@ static int exynos_wkup_irq_set_type(struct irq_data *irqd, unsigned int type) unsigned long reg_con = d->ctrl->weint_con + bank->eint_offset; unsigned long shift = EXYNOS_EINT_CON_LEN * pin; unsigned long con, trig_type; + unsigned int mask; switch (type) { case IRQ_TYPE_EDGE_RISING: @@ -288,6 +289,16 @@ static int exynos_wkup_irq_set_type(struct irq_data *irqd, unsigned int type) con &= ~(EXYNOS_EINT_CON_MASK << shift); con |= trig_type << shift; writel(con, d->virt_base + reg_con); + + reg_con = bank->pctl_offset; + shift = pin * bank->func_width; + mask = (1 << bank->func_width) - 1; + + con = readl(d->virt_base + reg_con); + con &= ~(mask << shift); + con |= EXYNOS_EINT_FUNC << shift; + writel(con, d->virt_base + reg_con); + return 0; } |
